ROGER FEDERER: Like I said, I think he was a bit more consistent than in the past. I lost to him in Miami this year, where it was a really tight match as well.
But from my end, obviously, you know, I'm unhappy with the way I'm playing. I couldn't play the way I wanted to play. You know, I am struggling with a little bit of a back and a leg issue. That just doesn't quite allow me to play the way I would like to play.
So it's frustrating, to say the least. Looking forward to some rest anyway.
Q. How do those physical things affect you the most?
ROGER FEDERER: Well, when you're hurting, it's just a combination of many things. You know, you just don't feel as comfortable. You can't concentrate on each and every point because you do feel the pain sometimes. And, uhm, yeah, then you tend to play differently than the way you want to play.
Under the circumstances I think I played a decent match, you know. But I've been feeling bad for the last two, three matches now. It's just not good and healthy to play under these kind of conditions, you know.
So if there's anything good about this it's I'm gonna get some rest, that's for sure.
Q. Some of these big, flat hitters seem to be having an effect on you. Do you need to alter your game to adjust to that?
ROGER FEDERER: Well, if I'm healthy I can handle those guys, you know. Obviously it's a pity that Del Potro is not around, because I think he would have a run at world No. 1 or a run at another Grand Slam. It's unfortunate for him.
But, you know, he's been playing well, and these guys do play very well. I played these guys 10 times. They're not going to reinvent themselves in a year, you know.
But I'm definitely struggling at the moment. That's a bit disappointing.
Q. When did you first start feeling the problems?
ROGER FEDERER: Well, the leg came in the finals of Halle. That kind of never really quite got away from me. Came back a little bit after the first-round match, and then went away again and just kept creeping back sometimes during the matches.
The back's been feeling stiff the last five days, six days really badly. Also in the finals of Halle. It's just something that's been lingering on the grass. It's normal that the back tends to get stiff, you know, in the grass court season because you have to, uhm, go for many more lower shots.
I've had that for many years. I think many players have it. But it's not just not nice when it doesn't go away and you can't play freely. That's what I was missing today.
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